On Tue, Sep 06, 2016 at 10:36:01AM +0200, Andreas Mohr wrote:
> There might be further archives (other than gmane.org or some such),
> however so far lkml.org seemed to be quite ok
> and with IMHO better usability than some others
Agreed, in that I liked the interface best too, however:
> (althou
On Tue, Sep 06, 2016 at 10:23:28AM +0200, Peter Zijlstra wrote:
> On Tue, Sep 06, 2016 at 03:58:00AM +0200, Andreas Mohr wrote:
> > Hi,
> >
> > [no properly binding reference via In-Reply-To: available thus manually
> > re-creating, sorry]
> >
> > https://lkml.org/lkml/2016/9/5/832
>
> Subscrib
On Tue, Sep 06, 2016 at 03:58:00AM +0200, Andreas Mohr wrote:
> Hi,
>
> [no properly binding reference via In-Reply-To: available thus manually
> re-creating, sorry]
>
> https://lkml.org/lkml/2016/9/5/832
Subscribe to lkml already.. also lkml.org is near useless these days,
please use any other
Hi,
[no properly binding reference via In-Reply-To: available thus manually
re-creating, sorry]
https://lkml.org/lkml/2016/9/5/832
Two thoughts:
***multiple locks
Don't have much insight into this
(didn't spend much thinking on this),
but of course it's unfortunate
that two lock types need t
Replace the global part of the lglock with a percpu-rwsem.
Since fcl_lock is a spinlock and itself nests under i_lock, which too
is a spinlock we cannot acquire sleeping locks at
locks_{insert,remove}_global_locks().
We can however wrap all fcl_lock acquisitions with percpu_down_read
such that al
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